Package org.eclipse.mat.util

Class FileUtils

java.lang.Object

org.eclipse.mat.util.FileUtils

public final class FileUtils
extends Object

File utilities for things like copying icon files.

Method Summary

Modifier and Type	Method	Description
static final void	copy(InputStream in, OutputStream out)	Basic stream copy, the streams are already open and stay open afterward.
static File	createTempDirectory(String prefix, File parent)	Create a temporary directory which should be deleted on application close.
static String	toFilename(String name, String extension)
static String	toFilename(String prefix, String suffix, String extension)	Build a file name.
static void	unzipFile(File file)	Unzip the specified zip file into a directory of the same name as the zip file minus the suffix within the same parent directory.
static void	unzipFile(File file, File destinationDirectory)	Unzip the specified zip file into the specified destination.
static void	writeToFile(File file, String message, boolean append, boolean addNewline)	Append a string to a file.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

copy

public static final void copy(InputStream in,
 OutputStream out)
                       throws IOException

Basic stream copy, the streams are already open and stay open afterward.

Parameters:

in - input stream

out - output stream

Throws:

IOException - if there was a problem with the copy

createTempDirectory

public static File createTempDirectory(String prefix,
 File parent)
                                throws IOException

Create a temporary directory which should be deleted on application close.

Parameters:

prefix - a prefix for the new directory name

parent - a directory to put the new directory into

Returns:

the temporary directory, to be deleted on shutdown

Throws:

IOException - if something goes wrong

toFilename

public static String toFilename(String name,
 String extension)

toFilename

public static String toFilename(String prefix,
 String suffix,
 String extension)

Build a file name. Convert non-letters or digits to underscore.

Parameters:

prefix - the prefix of the file

suffix - the suffix

extension - the file extension

Returns:

the combined file name

unzipFile

public static void unzipFile(File file)
                      throws IOException

Unzip the specified zip file into a directory of the same name as the zip file minus the suffix within the same parent directory.

Parameters:

file - .zip file

Throws:

IOException

Since:

1.12

unzipFile

public static void unzipFile(File file,
 File destinationDirectory)
                      throws IOException

Unzip the specified zip file into the specified destination.

Parameters:

file - .zip file

destinationDirectory - Destination directory

Throws:

IOException

Since:

1.12

writeToFile

public static void writeToFile(File file,
 String message,
 boolean append,
 boolean addNewline)
                        throws IOException

Append a string to a file.

Parameters:

file - The file to append to.

message - The string to append.

addNewline - Whether to add a newline after the message.

Throws:

IOException - Errors writing to the file.

Since:

1.17